Table 15. Forage costs of perennial grass hays to be fed to range cows during the 137-day summer portion of the lactation production period.
Crested
Wheatgrass
Hay
Crested
Wheatgrass
Hay
Growth StageMatureBoot stage
Herbage Weightlb/ac
-
-
Forage DM Weightlb/ac
1600

1300

Costs/Acre
Land Rent$
14.22
14.22
Custom Work$
5.31
5.31
Seed Cost$
-
-
Baling Costs$
8.58
6.97
Production Costs$/ac
28.11
26.50
Forage DM Costs$/ton
34.80
40.80
Land Area /Monthac
0.56
0.40
Land Area/Periodac
2.57
1.82
Land Cost/Period $/pp
36.55
25.88
Forage Costs/Day$/d
0.70
0.35
Forage Costs/Period $/pp
95.90
47.95
Crude Protein%
6.4
14.5
Crude Protein Yieldlb/ac
102
189
Crude Protein Cost$/lb
0.28
0.14
Supplementation
Roughage/Daylb/d
12.69
Crude Protein/Daylb/d
0.78
Sup. Cost/Period$/pp
32.14
30.42
Total Feed Cost$/pp
128.04
78.37
Cost/Day$/d
0.93
0.57